9291980680 has 32 divisors (see below), whose sum is σ = 21815956800. Its totient is φ = 3555192256.

The previous prime is 9291980671. The next prime is 9291980713. The reversal of 9291980680 is 860891929.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5049070 + ... + 5050909.

It is an arithmetic number, because the mean of its divisors is an integer number (681748650).

Almost surely, 2^9291980680 is an apocalyptic number.

It is an amenable number.

9291980680 is an abundant number, since it is smaller than the sum of its proper divisors (12523976120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9291980680 is a wasteful number, since it uses less digits than its factorization.

9291980680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100013 (or 10100009 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 9291980680 is about 96394.9204055898. The cubic root of 9291980680 is about 2102.3390927940.

The spelling of 9291980680 in words is "nine billion, two hundred ninety-one million, nine hundred eighty thousand, six hundred eighty".